Breathable KN95 face masks are made of two layers of non-woven, two layers of melt-blown, one layer of hot air cotton.
High quality elastic ear loops make it comfortable to wear for a long time.
3D shape is designed according to human face shape. Ensuring the thightness, It increases the breathing volume at the same time.
KN95 face masks made in China (not in US).
Disclaimer: This KN95 mask is NOT an N95 mask. For more information about KN95 masks please see the following before you purchase: amazon.com/AboutKN95s.